<br/>
<div class="row">
    <div id="student" style="width: 600px;height:400px;" class="col-sm-12"></div>
    <div id="teacher" style="width: 600px;height:400px;float:left;" class="col-sm-12"></div>
</div>
<div class="row">
    <div id="course" style="width: 600px;height:400px;" class="col-sm-12"></div>
    <div id="project" style="width: 600px;height:400px;float:left;" class="col-sm-12"></div>
</div>
<div class="row">
    <div id="sucai" style="width: 600px;height:400px;" class="col-sm-12"></div>
    <div id="youxiu" style="width: 600px;height:400px;float:left;" class="col-sm-12"></div>
</div>
<!--End Dashboard 1-->
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